Staff Software Engineer

NewtonX is a leader in B2B market research, delivering AI-powered insights for top investment firms and enterprises. The Staff Engineer will be responsible for building and scaling applications, focusing on Python/Django for the backend and React for the frontend, while also leading technical initiatives within the department.

Responsibilities:

• Build Python/Django REST APIs and backend services
• Lead development of React-based UIs that are performant, scalable, and user-friendly
• Collaborate on architecture, design decisions, technology/tooling choices, and best practices
• Maintain and improve test coverage across the stack
• Debug, resolve technical debt, and improve code quality
• Mentor teammates and help shape engineering processes

Requirements:

• 4+ years full-stack engineering experience
• 3+ years of Senior Level Engineering experience, owning technical projects end-to-end
• Strong Python/Django expertise — Django + Django Rest Framework, designing and consuming REST APIs
• Strong React skills — modern React (hooks, Context API), reusable component libraries, building robust web apps across multiple projects
• Solid experience in JavaScript (ES6+), TypeScript, HTML, CSS/SCSS
• Experience owning scalable systems (race conditions, idempotency, backpressure)
• Strong SQL knowledge with relational databases (Postgres)
• Unit + integration testing mindset (Jest/React Testing Library, pytest/unittest)
• Cloud + infra experience: GCP, Kubernetes, Docker, Terraform
• Messaging/queueing systems (Pub/Sub, Kafka, RabbitMQ, SQS)
• SOLID design principles
• Responsive design (Material-UI, Bootstrap, or Tailwind) and State management (Redux, Zustand, Thunk)